Difficult Riddles For Smart Kids - Perfectly Logical Challenging Fun Brain TeasersFind the missing pattern pieces. Break codes and secret messages. Discover visual connections. With ten chapters of puzzles, each with its own set of unique challenges, this book has all the logic and brain teasing fun a child could want!Perfectly Logical helps curious kids ages 8-12 develop logical reasoning and critical thinking skills while having a blast (that’s the most important part). With puzzles that progressively increase in difficulty, this book engages and challenges kids for hours on end.